be sure that event parameter of onSortCol is an object

OlegKi · OlegKi · commit 583e85cd8e4c · 2017-05-28T16:15:57.000+02:00
diff --git a/js/grid.base.js b/js/grid.base.js
@@ -5079,7 +5079,7 @@
 						index = index.substring(5 + p.id.length + 1); // bad to be changed!?!
 						p.sortname = cm.index || index;
 					}
-					if (!feedback.call(self, "onSortCol", p.sortname, idxcol, p.sortorder, e)) {
+					if (!feedback.call(self, "onSortCol", p.sortname, idxcol, p.sortorder, e || {})) {
 						p.lastsort = idxcol;
 						return;
 					}

Original file line number	Diff line number	Diff line change
`@@ -5079,7 +5079,7 @@`
`5079`	`5079`	`index = index.substring(5 + p.id.length + 1); // bad to be changed!?!`
`5080`	`5080`	`p.sortname = cm.index \|\| index;`
`5081`	`5081`	`}`
`5082`		`- if (!feedback.call(self, "onSortCol", p.sortname, idxcol, p.sortorder, e)) {`
	`5082`	`+ if (!feedback.call(self, "onSortCol", p.sortname, idxcol, p.sortorder, e \|\| {})) {`
`5083`	`5083`	`p.lastsort = idxcol;`
`5084`	`5084`	`return;`
`5085`	`5085`	`}`